Ternary herbicidal compositions comprising aminopyralid and imazamox

Abstract

Herbicidally active compositions, which comprise 4-amino-3,6-dichloropyridine-2-carboxylic acid (common name: aminopyralid), 2-[(RS)-4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl]-5-methoxymethylnicotinic acid (common name: imazamox) and at least one herbicide B from the group of the lipid biosynthesis inhibitors, acetohydroxyacid synthase inhibitors, carotenoid biosynthesis inhibitors, auxin herbicides, mitosis inhibitors, protoporphyrinogen IX oxidase inhibitors, growth substances, and a variety of other herbicides selected from aziprotryn, barban, bensulide, benzthiazuron, benzofluor, buminafos, buthidazole, buturon, cafenstrole, chlorbufam, xhlorofenprop-methyl, chloroxuron, cinmethylin, cumyluron, cycluron, cyprazine, cyprazole, dibenzyluron, dipropetryn, dymron, eglinazin-ethyl, endothall, ethiozin, flucabazone, fluorbentranil, flupoxam, isocarbamid, isopropalin, karbutilate, mefluidide, monuron, napropamide, napropanilide, nitralin, oxaciclomefone, phenisopham, piperophos, procyazine, profluralin, pyributicarb, secbumeton, sulfallate (CDEC), terbucarb, triazofenamide, triaziflam or trimeturon, a method for controlling undesirable vegetation, their use for controlling undesirable vegetation, and formulations comprising such compositions.

The invention claimed is: 
     
       1. A ternary herbicidal composition comprising:
 a) a herbicide A which is 4-amino-3,6-dichloropyridine-2-carboxylic acid and 2-[(RS)-4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl]-5-methoxymethylnicotinic acid; 
 and 
 b) at least one herbicide B selected from the group consisting of chloroacetanilides, pyridinecarboxylic acids, and quinolinecarboxylic acids, wherein the relative amount of herbicide A to the at least one herbicide B is in synergistically effective amounts. 
 
     
     
       2. The composition according to  claim 1 , wherein the herbicide B is selected from the group consisting of the chloroacetanilides. 
     
     
       3. The composition according to  claim 1 , wherein the herbicide B is selected from the group consisting of the pyridinecarboxylic acids. 
     
     
       4. The composition according to  claim 1 , additionally containing a safener. 
     
     
       5. The composition according to  claim 1 , containing no safener. 
     
     
       6. The composition as claimed  claim 1 , wherein the relative amount of herbicide A to the at least one herbicide B is in synergistically effective amounts. 
     
     
       7. The composition as claimed in  claim 1 , wherein the relative amount of herbicide A to the at least one herbicide B is from about 1:1 to 1:500. 
     
     
       8. An herbicide formulation comprising the composition as claimed in  claim 1  and at least one solid or liquid carrier. 
     
     
       9. The composition according to  claim 1 , wherein the herbicide B is selected from the group consisting of dimetenamid, dimethenamid-P, S-dimethenamid, acetochlor, alachlor, butachlor, butenachlor, diethatyl-ethyl, dimethachlor, metazachlor, metolachlor, S-metolachlor, pretilachlor, propachlor, prynachlor, terbuchlor, thenylchlor and xylachlor. 
     
     
       10. The composition according to  claim 1 , wherein the herbicide B is selected from the group consisting of clopyralid and picloram. 
     
     
       11. The composition according to  claim 1 , wherein the herbicide B is selected from the group consisting of quinclorac and quinmerac. 
     
     
       12. A method for controlling undesirable vegetation, which comprises applying a composition as claimed in  claim 1  to plants to be controlled or their habitat, wherein the plants are crops of wheat, barley, rye, triticale,  durum , rice, corn, sugarcane,  sorghum , soybean, pulse crops, peanut, sunflower, sugarbeet, potato, cotton,  brassica  crops, turf, grapes, pomefruit, stonefruit, citrus, coffee, pistachio, garden ornamentals, bulb ornamentals, conifers or deciduous trees. 
     
     
       13. The method as claimed in  claim 12 , wherein the herbicides A and B are applied simultaneously or in succession. 
     
     
       14. The method of  claim 13 , wherein the herbicide B is selected from the group consisting of the chloroacetanilides. 
     
     
       15. The method of  claim 13 , wherein the herbicide B is selected from the group consisting of the pyridinecarboxylic acids. 
     
     
       16. The method of  claim 12 , wherein the composition additionally comprises a safener. 
     
     
       17. The method of  claim 12 , wherein the composition contains no safener. 
     
     
       18. The method of  claim 12 , wherein the relative amount of herbicide A to the at least one herbicide B is from about 1:1 to 1:500. 
     
     
       19. The method of  claim 12 , wherein the herbicide B is selected from the group consisting of the chloroacetanilides. 
     
     
       20. The method of  claim 12 , wherein the herbicide B is selected from the group consisting of the pyridinecarboxylic acids.